Finding the Fourth Proportional to 126,865.93, 175,074.99 and 70,277.31
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Solution
The fourth proportional to 126,865.93, 175,074.99 and 70,277.31 is: 96,982.69
Step by Step Solution
- Step 1: Write the proportion equation
126,865.93 : 175,074.99 = 70,277.31 : x - Step 2: Convert to fraction form
126,865.93/175,074.99 = 70,277.31/x - Step 3: Cross multiply
126,865.93x = 175,074.99 × 70,277.31 - Step 4: Simplify right side
126,865.93x = 12,303,799,345.48 - Step 5: Solve for x
x = 12,303,799,345.48/126,865.93 - Step 6: Final answer
x = 96,982.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.